Home / 1,353.12-2,030.04-1,080.24

Finding the Fourth Proportional to 1,353.12, 2,030.04 and 1,080.24

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Solution

The fourth proportional to 1,353.12, 2,030.04 and 1,080.24 is: 1,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353.12 : 2,030.04 = 1,080.24 : x
  2. Step 2: Convert to fraction form
    1,353.12/2,030.04 = 1,080.24/x
  3. Step 3: Cross multiply
    1,353.12x = 2,030.04 × 1,080.24
  4. Step 4: Simplify right side
    1,353.12x = 2,192,930.41
  5. Step 5: Solve for x
    x = 2,192,930.41/1,353.12
  6. Step 6: Final answer
    x = 1,620.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.